Polishing mixed bed resin and filling precautions

Polishing mixed bed resin and filling precautions: Polishing mixed bed, also known as disposable mixed bed, is generally used at the end of the process to further improve the water quality. Polishing mixed bed resin is generally used at the end of ultra pure water treatment systems to ensure that the water quality of the system effluent can maintain water standards. Generally, the water quality of the effluent can reach over 18 megaohms, and it has certain control capabilities for TOC and SIO2. The ion forms of polishing resin are all H and OH types, and they can be used after filling without regeneration. Generally used in the semiconductor industry. The so-called polishing refers to the surface treatment of the resin.

To obtain a conductivity of 0.055 for electronic, pharmaceutical, or other industries μ Theoretical pure water with a resistivity of 18.2 M Ω · cm is treated with polishing mixed bed after being installed in a regular mixed bed or EDI water purification equipment. The resin used for this polishing mixed bed is a mixture of anion resin and cation resin with a relatively close density. Due to the inability to separate the anion and cation resins of this resin, they cannot be regenerated separately with acid and alkali. Therefore, this polishing resin is discarded after failure.

Precautions for resin filling in polishing mixed bed:

Polishing mixed bed resin is a mixture of hydrogen type strong acidic cation exchange resin and hydrogen oxygen type strong alkaline anion exchange resin.

1. During homework, if water needs to be added for easy filling, please note that pure water must be used and not too much water. At the same time, the water must be immediately extracted or discharged after the resin enters the resin tank to avoid resin layering.

If you need to fill the resin by hand, please wash your hands thoroughly and do not bring grease into the resin tank.

3. If replacing resin, it is necessary to thoroughly clean the tank and water collector, and there must be no residue of old resin at the bottom of the tank, otherwise these used resins will pollute the water quality.

4. The O-ring used and urgently needed must be replaced regularly.At the same time, relevant components must be checked during each replacement, and if there is any damage, they must be replaced immediately.Check the water collector and if there is any blockage, it should be removed.

5. When using FRP bucket slots as resin beds, the water collection pipe should be left in the bucket slot before filling the resin.During the resin filling process, the water collection pipe should be shaken irregularly so that the position of the water collection pipe can be adjusted and the upper cover can be installed.

If resin is filled first, it will encounter difficulties when inserting the water collection pipe.If it is necessary to first fill the resin before inserting the water collection pipe, the FRP tank that is already filled with resin can be placed horizontally on the ground, slowly rolling the barrel groove to loosen the resin, and then slowly inserting the water collection pipe into the resin.

After filling the resin and connecting the pipeline, the vent hole at the upper end of the barrel groove should be opened first, and water should be slowly introduced until the vent hole overflows and there are no more bubbles. After that, the vent hole should be tightly closed and water extraction should begin.

The above is what Hongjie Water brings to everyone about "Polishing Mixed Bed Resin and Precautions for Filling". We hope it can help you! 

Shenzhen Hongjie Water Technology Co., Ltd. is an integrated high-tech enterprise specializing in product research and development, production, sales, engineering design, installation and debugging, technical consulting, and sales of supporting materials in the fields of industrial water treatment and drinking water treatment. Our main products include the design, manufacturing, installation, debugging, and maintenance of water treatment equipment, including pure water equipment, ultra pure water equipment, reverse osmosis equipment, GMP purified water equipment, EDI deionized water equipment, domestic sewage equipment, industrial wastewater equipment, softened water equipment, and reclaimed water reuse equipment, all of which are integrated into an environmentally friendly high-tech manufacturer.